package configs

import (
	"context"
	"testing"

	miniredis "github.com/alicebob/miniredis/v2"
)

func TestConnectRedisMissingURL(t *testing.T) {
	t.Setenv("REDIS_URL", "")
	if err := ConnectRedis(); err == nil {
		t.Fatalf("expected error for missing REDIS_URL")
	}
}

func TestConnectRedisInvalidURL(t *testing.T) {
	t.Setenv("REDIS_URL", "%%%")
	if err := ConnectRedis(); err == nil {
		t.Fatalf("expected parse error for invalid REDIS_URL")
	}
}

func TestConnectRedisSuccessAndClose(t *testing.T) {
	mini, err := miniredis.Run()
	if err != nil {
		t.Fatalf("miniredis start failed: %v", err)
	}
	defer mini.Close()

	t.Setenv("REDIS_URL", "redis://"+mini.Addr()+"/0")

	if err := ConnectRedis(); err != nil {
		t.Fatalf("ConnectRedis failed: %v", err)
	}
	t.Cleanup(func() { _ = CloseRedis() })

	if pong, err := RDB.Ping(context.Background()).Result(); err != nil || pong != "PONG" {
		t.Fatalf("expected redis ping PONG, got %q err=%v", pong, err)
	}

	if err := CloseRedis(); err != nil {
		t.Fatalf("CloseRedis failed: %v", err)
	}
}